The Story of Adèle H. (French: L'Histoire d'Adèle H.) is a 1975 French historical drama film directed by François Truffaut, and starring Isabelle Adjani, Bruce Robinson, and Sylvia Marriott. Written by Truffaut, Jean Gruault, and Suzanne Schiffman, the film is about Adèle Hugo, the daughter of writer Victor Hugo, whose obsessive unrequited love for a military officer leads to her downfall. The story is based on Adèle Hugo's diaries. Filming took place on location in Guernsey and Senegal.

20-year-old Isabelle Adjani received much critical acclaim for her performance as Hugo, garnering an Oscar nomination for Best Actress in a Leading Role, making her the youngest Best Actress nominee ever at the time. The Story of Adèle H. also won the National Board of Review Award for Best Foreign Language Film, the French Syndicate of Cinema Critics Award for Best Film, and the Cartagena Film Festival Special Critics Award.